Wordnet 3.0
NOUN (1)
1. 
 a manner of marching with legs straight and swinging high; 
VERB (1)
1. 
 march in a military fashion; 
WordNet (r) 3.0 (2006):
goose step
    n 1: a manner of marching with legs straight and swinging high
    v 1: march in a military fashion
Moby Thesaurus II by Grady Ward, 1.0:
21 Moby Thesaurus words for "goose step":
   backpack, defile, double march, double time, double-quick, file,
   file off, footslog, go on parade, half step, hike, march, mush,
   parade, quick march, quick time, quickstep, quickstep march,
   slow march, slow time, tramp